diff options
Diffstat (limited to 'libs/SwipyRefreshLayout/src/main/java/com/orangegangsters/github/swipyrefreshlayout/library/MaterialProgressDrawable.java')
| -rw-r--r-- | libs/SwipyRefreshLayout/src/main/java/com/orangegangsters/github/swipyrefreshlayout/library/MaterialProgressDrawable.java | 722 |
1 files changed, 0 insertions, 722 deletions
diff --git a/libs/SwipyRefreshLayout/src/main/java/com/orangegangsters/github/swipyrefreshlayout/library/MaterialProgressDrawable.java b/libs/SwipyRefreshLayout/src/main/java/com/orangegangsters/github/swipyrefreshlayout/library/MaterialProgressDrawable.java deleted file mode 100644 index c7eef8c1..00000000 --- a/libs/SwipyRefreshLayout/src/main/java/com/orangegangsters/github/swipyrefreshlayout/library/MaterialProgressDrawable.java +++ /dev/null @@ -1,722 +0,0 @@ -/* - * Copyright (C) 2014 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package com.orangegangsters.github.swipyrefreshlayout.library; - -import android.view.animation.AccelerateDecelerateInterpolator; -import android.view.animation.Interpolator; -import android.view.animation.Animation; -import android.view.animation.LinearInterpolator; -import android.view.animation.Transformation; -import android.content.Context; -import android.content.res.Resources; -import android.graphics.Canvas; -import android.graphics.Color; -import android.graphics.ColorFilter; -import android.graphics.Paint; -import android.graphics.Paint.Style; -import android.graphics.Path; -import android.graphics.PixelFormat; -import android.graphics.Rect; -import android.graphics.RectF; -import android.graphics.drawable.Drawable; -import android.graphics.drawable.Animatable; -import android.support.annotation.IntDef; -import android.support.annotation.NonNull; -import android.util.DisplayMetrics; -import android.view.View; - -import java.lang.annotation.Retention; -import java.lang.annotation.RetentionPolicy; -import java.util.ArrayList; - -/** - * Fancy progress indicator for Material theme. - * - * @hide - */ -class MaterialProgressDrawable extends Drawable implements Animatable { - private static final Interpolator LINEAR_INTERPOLATOR = new LinearInterpolator(); - private static final Interpolator END_CURVE_INTERPOLATOR = new EndCurveInterpolator(); - private static final Interpolator START_CURVE_INTERPOLATOR = new StartCurveInterpolator(); - private static final Interpolator EASE_INTERPOLATOR = new AccelerateDecelerateInterpolator(); - - @Retention(RetentionPolicy.CLASS) - @IntDef({LARGE, DEFAULT}) - public @interface ProgressDrawableSize {} - // Maps to ProgressBar.Large style - static final int LARGE = 0; - // Maps to ProgressBar default style - static final int DEFAULT = 1; - - // Maps to ProgressBar default style - private static final int CIRCLE_DIAMETER = 40; - private static final float CENTER_RADIUS = 8.75f; //should add up to 10 when + stroke_width - private static final float STROKE_WIDTH = 2.5f; - - // Maps to ProgressBar.Large style - private static final int CIRCLE_DIAMETER_LARGE = 56; - private static final float CENTER_RADIUS_LARGE = 12.5f; - private static final float STROKE_WIDTH_LARGE = 3f; - - private final int[] COLORS = new int[] { - Color.BLACK - }; - - /** The duration of a single progress spin in milliseconds. */ - private static final int ANIMATION_DURATION = 1000 * 80 / 60; - - /** The number of points in the progress "star". */ - private static final float NUM_POINTS = 5f; - /** The list of animators operating on this drawable. */ - private final ArrayList<Animation> mAnimators = new ArrayList<Animation>(); - - /** The indicator ring, used to manage animation state. */ - private final Ring mRing; - - /** Canvas rotation in degrees. */ - private float mRotation; - - /** Layout info for the arrowhead in dp */ - private static final int ARROW_WIDTH = 10; - private static final int ARROW_HEIGHT = 5; - private static final float ARROW_OFFSET_ANGLE = 5; - - /** Layout info for the arrowhead for the large spinner in dp */ - private static final int ARROW_WIDTH_LARGE = 12; - private static final int ARROW_HEIGHT_LARGE = 6; - private static final float MAX_PROGRESS_ARC = .8f; - - private Resources mResources; - private View mParent; - private Animation mAnimation; - private float mRotationCount; - private double mWidth; - private double mHeight; - private Animation mFinishAnimation; - - public MaterialProgressDrawable(Context context, View parent) { - mParent = parent; - mResources = context.getResources(); - - mRing = new Ring(mCallback); - mRing.setColors(COLORS); - - updateSizes(DEFAULT); - setupAnimators(); - } - - private void setSizeParameters(double progressCircleWidth, double progressCircleHeight, - double centerRadius, double strokeWidth, float arrowWidth, float arrowHeight) { - final Ring ring = mRing; - final DisplayMetrics metrics = mResources.getDisplayMetrics(); - final float screenDensity = metrics.density; - - mWidth = progressCircleWidth * screenDensity; - mHeight = progressCircleHeight * screenDensity; - ring.setStrokeWidth((float) strokeWidth * screenDensity); - ring.setCenterRadius(centerRadius * screenDensity); - ring.setColorIndex(0); - ring.setArrowDimensions(arrowWidth * screenDensity, arrowHeight * screenDensity); - ring.setInsets((int) mWidth, (int) mHeight); - } - - /** - * Set the overall size for the progress spinner. This updates the radius - * and stroke width of the ring. - * - * @param size One of {@link com.orangegangsters.github.swiperefreshlayout.MaterialProgressDrawable.LARGE} or - * {@link com.orangegangsters.github.swiperefreshlayout.MaterialProgressDrawable.DEFAULT} - */ - public void updateSizes(@ProgressDrawableSize int size) { - if (size == LARGE) { - setSizeParameters(CIRCLE_DIAMETER_LARGE, CIRCLE_DIAMETER_LARGE, CENTER_RADIUS_LARGE, - STROKE_WIDTH_LARGE, ARROW_WIDTH_LARGE, ARROW_HEIGHT_LARGE); - } else { - setSizeParameters(CIRCLE_DIAMETER, CIRCLE_DIAMETER, CENTER_RADIUS, STROKE_WIDTH, - ARROW_WIDTH, ARROW_HEIGHT); - } - } - - /** - * @param show Set to true to display the arrowhead on the progress spinner. - */ - public void showArrow(boolean show) { - mRing.setShowArrow(show); - } - - /** - * @param scale Set the scale of the arrowhead for the spinner. - */ - public void setArrowScale(float scale) { - mRing.setArrowScale(scale); - } - - /** - * Set the start and end trim for the progress spinner arc. - * - * @param startAngle start angle - * @param endAngle end angle - */ - public void setStartEndTrim(float startAngle, float endAngle) { - mRing.setStartTrim(startAngle); - mRing.setEndTrim(endAngle); - } - - /** - * Set the amount of rotation to apply to the progress spinner. - * - * @param rotation Rotation is from [0..1] - */ - public void setProgressRotation(float rotation) { - mRing.setRotation(rotation); - } - - /** - * Update the background color of the circle image view. - */ - public void setBackgroundColor(int color) { - mRing.setBackgroundColor(color); - } - - /** - * Set the colors used in the progress animation from color resources. - * The first color will also be the color of the bar that grows in response - * to a user swipe gesture. - * - * @param colors - */ - public void setColorSchemeColors(int... colors) { - mRing.setColors(colors); - mRing.setColorIndex(0); - } - - @Override - public int getIntrinsicHeight() { - return (int) mHeight; - } - - @Override - public int getIntrinsicWidth() { - return (int) mWidth; - } - - @Override - public void draw(Canvas c) { - final Rect bounds = getBounds(); - final int saveCount = c.save(); - c.rotate(mRotation, bounds.exactCenterX(), bounds.exactCenterY()); - mRing.draw(c, bounds); - c.restoreToCount(saveCount); - } - - @Override - public void setAlpha(int alpha) { - mRing.setAlpha(alpha); - } - - public int getAlpha() { - return mRing.getAlpha(); - } - - @Override - public void setColorFilter(ColorFilter colorFilter) { - mRing.setColorFilter(colorFilter); - } - - @SuppressWarnings("unused") - void setRotation(float rotation) { - mRotation = rotation; - invalidateSelf(); - } - - @SuppressWarnings("unused") - private float getRotation() { - return mRotation; - } - - @Override - public int getOpacity() { - return PixelFormat.TRANSLUCENT; - } - - @Override - public boolean isRunning() { - final ArrayList<Animation> animators = mAnimators; - final int N = animators.size(); - for (int i = 0; i < N; i++) { - final Animation animator = animators.get(i); - if (animator.hasStarted() && !animator.hasEnded()) { - return true; - } - } - return false; - } - - @Override - public void start() { - mAnimation.reset(); - mRing.storeOriginals(); - // Already showing some part of the ring - if (mRing.getEndTrim() != mRing.getStartTrim()) { - mParent.startAnimation(mFinishAnimation); - } else { - mRing.setColorIndex(0); - mRing.resetOriginals(); - mParent.startAnimation(mAnimation); - } - } - - @Override - public void stop() { - mParent.clearAnimation(); - setRotation(0); - mRing.setShowArrow(false); - mRing.setColorIndex(0); - mRing.resetOriginals(); - } - - private void setupAnimators() { - final Ring ring = mRing; - final Animation finishRingAnimation = new Animation() { - public void applyTransformation(float interpolatedTime, Transformation t) { - // shrink back down and complete a full rotation before starting other circles - // Rotation goes between [0..1]. - float targetRotation = (float) (Math.floor(ring.getStartingRotation() - / MAX_PROGRESS_ARC) + 1f); - final float startTrim = ring.getStartingStartTrim() - + (ring.getStartingEndTrim() - ring.getStartingStartTrim()) - * interpolatedTime; - ring.setStartTrim(startTrim); - final float rotation = ring.getStartingRotation() - + ((targetRotation - ring.getStartingRotation()) * interpolatedTime); - ring.setRotation(rotation); - ring.setArrowScale(1 - interpolatedTime); - } - }; - finishRingAnimation.setInterpolator(EASE_INTERPOLATOR); - finishRingAnimation.setDuration(ANIMATION_DURATION/2); - finishRingAnimation.setAnimationListener(new Animation.AnimationListener() { - - @Override - public void onAnimationStart(Animation animation) { - } - - @Override - public void onAnimationEnd(Animation animation) { - ring.goToNextColor(); - ring.storeOriginals(); - ring.setShowArrow(false); - mParent.startAnimation(mAnimation); - } - - @Override - public void onAnimationRepeat(Animation animation) { - } - }); - final Animation animation = new Animation() { - @Override - public void applyTransformation(float interpolatedTime, Transformation t) { - // The minProgressArc is calculated from 0 to create an angle that - // matches the stroke width. - final float minProgressArc = (float) Math.toRadians(ring.getStrokeWidth() - / (2 * Math.PI * ring.getCenterRadius())); - final float startingEndTrim = ring.getStartingEndTrim(); - final float startingTrim = ring.getStartingStartTrim(); - final float startingRotation = ring.getStartingRotation(); - - // Offset the minProgressArc to where the endTrim is located. - final float minArc = MAX_PROGRESS_ARC - minProgressArc; - final float endTrim = startingEndTrim - + (minArc * START_CURVE_INTERPOLATOR.getInterpolation(interpolatedTime)); - ring.setEndTrim(endTrim); - - final float startTrim = startingTrim - + (MAX_PROGRESS_ARC * END_CURVE_INTERPOLATOR - .getInterpolation(interpolatedTime)); - ring.setStartTrim(startTrim); - - final float rotation = startingRotation + (0.25f * interpolatedTime); - ring.setRotation(rotation); - - float groupRotation = ((720.0f / NUM_POINTS) * interpolatedTime) - + (720.0f * (mRotationCount / NUM_POINTS)); - setRotation(groupRotation); - } - }; - animation.setRepeatCount(Animation.INFINITE); - animation.setRepeatMode(Animation.RESTART); - animation.setInterpolator(LINEAR_INTERPOLATOR); - animation.setDuration(ANIMATION_DURATION); - animation.setAnimationListener(new Animation.AnimationListener() { - - @Override - public void onAnimationStart(Animation animation) { - mRotationCount = 0; - } - - @Override - public void onAnimationEnd(Animation animation) { - // do nothing - } - - @Override - public void onAnimationRepeat(Animation animation) { - ring.storeOriginals(); - ring.goToNextColor(); - ring.setStartTrim(ring.getEndTrim()); - mRotationCount = (mRotationCount + 1) % (NUM_POINTS); - } - }); - mFinishAnimation = finishRingAnimation; - mAnimation = animation; - } - - private final Callback mCallback = new Callback() { - @Override - public void invalidateDrawable(Drawable d) { - invalidateSelf(); - } - - @Override - public void scheduleDrawable(Drawable d, Runnable what, long when) { - scheduleSelf(what, when); - } - - @Override - public void unscheduleDrawable(Drawable d, Runnable what) { - unscheduleSelf(what); - } - }; - - private static class Ring { - private final RectF mTempBounds = new RectF(); - private final Paint mPaint = new Paint(); - private final Paint mArrowPaint = new Paint(); - - private final Callback mCallback; - - private float mStartTrim = 0.0f; - private float mEndTrim = 0.0f; - private float mRotation = 0.0f; - private float mStrokeWidth = 5.0f; - private float mStrokeInset = 2.5f; - - private int[] mColors; - // mColorIndex represents the offset into the available mColors that the - // progress circle should currently display. As the progress circle is - // animating, the mColorIndex moves by one to the next available color. - private int mColorIndex; - private float mStartingStartTrim; - private float mStartingEndTrim; - private float mStartingRotation; - private boolean mShowArrow; - private Path mArrow; - private float mArrowScale; - private double mRingCenterRadius; - private int mArrowWidth; - private int mArrowHeight; - private int mAlpha; - private final Paint mCirclePaint = new Paint(); - private int mBackgroundColor; - - public Ring(Callback callback) { - mCallback = callback; - - mPaint.setStrokeCap(Paint.Cap.SQUARE); - mPaint.setAntiAlias(true); - mPaint.setStyle(Style.STROKE); - - mArrowPaint.setStyle(Style.FILL); - mArrowPaint.setAntiAlias(true); - } - - public void setBackgroundColor(int color) { - mBackgroundColor = color; - } - - /** - * Set the dimensions of the arrowhead. - * - * @param width Width of the hypotenuse of the arrow head - * @param height Height of the arrow point - */ - public void setArrowDimensions(float width, float height) { - mArrowWidth = (int) width; - mArrowHeight = (int) height; - } - - /** - * Draw the progress spinner - */ - public void draw(Canvas c, Rect bounds) { - final RectF arcBounds = mTempBounds; - arcBounds.set(bounds); - arcBounds.inset(mStrokeInset, mStrokeInset); - - final float startAngle = (mStartTrim + mRotation) * 360; - final float endAngle = (mEndTrim + mRotation) * 360; - float sweepAngle = endAngle - startAngle; - - mPaint.setColor(mColors[mColorIndex]); - c.drawArc(arcBounds, startAngle, sweepAngle, false, mPaint); - - drawTriangle(c, startAngle, sweepAngle, bounds); - - if (mAlpha < 255) { - mCirclePaint.setColor(mBackgroundColor); - mCirclePaint.setAlpha(255 - mAlpha); - c.drawCircle(bounds.exactCenterX(), bounds.exactCenterY(), bounds.width() / 2, - mCirclePaint); - } - } - - private void drawTriangle(Canvas c, float startAngle, float sweepAngle, Rect bounds) { - if (mShowArrow) { - if (mArrow == null) { - mArrow = new Path(); - mArrow.setFillType(Path.FillType.EVEN_ODD); - } else { - mArrow.reset(); - } - - // Adjust the position of the triangle so that it is inset as - // much as the arc, but also centered on the arc. - float inset = (int) mStrokeInset / 2 * mArrowScale; - float x = (float) (mRingCenterRadius * Math.cos(0) + bounds.exactCenterX()); - float y = (float) (mRingCenterRadius * Math.sin(0) + bounds.exactCenterY()); - - // Update the path each time. This works around an issue in SKIA - // where concatenating a rotation matrix to a scale matrix - // ignored a starting negative rotation. This appears to have - // been fixed as of API 21. - mArrow.moveTo(0, 0); - mArrow.lineTo(mArrowWidth * mArrowScale, 0); - mArrow.lineTo((mArrowWidth * mArrowScale / 2), (mArrowHeight - * mArrowScale)); - mArrow.offset(x - inset, y); - mArrow.close(); - // draw a triangle - mArrowPaint.setColor(mColors[mColorIndex]); - c.rotate(startAngle + sweepAngle - ARROW_OFFSET_ANGLE, bounds.exactCenterX(), - bounds.exactCenterY()); - c.drawPath(mArrow, mArrowPaint); - } - } - - /** - * Set the colors the progress spinner alternates between. - * - * @param colors Array of integers describing the colors. Must be non-<code>null</code>. - */ - public void setColors(@NonNull int[] colors) { - mColors = colors; - // if colors are reset, make sure to reset the color index as well - setColorIndex(0); - } - - /** - * @param index Index into the color array of the color to display in - * the progress spinner. - */ - public void setColorIndex(int index) { - mColorIndex = index; - } - - /** - * Proceed to the next available ring color. This will automatically - * wrap back to the beginning of colors. - */ - public void goToNextColor() { - mColorIndex = (mColorIndex + 1) % (mColors.length); - } - - public void setColorFilter(ColorFilter filter) { - mPaint.setColorFilter(filter); - invalidateSelf(); - } - - /** - * @param alpha Set the alpha of the progress spinner and associated arrowhead. - */ - public void setAlpha(int alpha) { - mAlpha = alpha; - } - - /** - * @return Current alpha of the progress spinner and arrowhead. - */ - public int getAlpha() { - return mAlpha; - } - - /** - * @param strokeWidth Set the stroke width of the progress spinner in pixels. - */ - public void setStrokeWidth(float strokeWidth) { - mStrokeWidth = strokeWidth; - mPaint.setStrokeWidth(strokeWidth); - invalidateSelf(); - } - - @SuppressWarnings("unused") - public float getStrokeWidth() { - return mStrokeWidth; - } - - @SuppressWarnings("unused") - public void setStartTrim(float startTrim) { - mStartTrim = startTrim; - invalidateSelf(); - } - - @SuppressWarnings("unused") - public float getStartTrim() { - return mStartTrim; - } - - public float getStartingStartTrim() { - return mStartingStartTrim; - } - - public float getStartingEndTrim() { - return mStartingEndTrim; - } - - @SuppressWarnings("unused") - public void setEndTrim(float endTrim) { - mEndTrim = endTrim; - invalidateSelf(); - } - - @SuppressWarnings("unused") - public float getEndTrim() { - return mEndTrim; - } - - @SuppressWarnings("unused") - public void setRotation(float rotation) { - mRotation = rotation; - invalidateSelf(); - } - - @SuppressWarnings("unused") - public float getRotation() { - return mRotation; - } - - public void setInsets(int width, int height) { - final float minEdge = (float) Math.min(width, height); - float insets; - if (mRingCenterRadius <= 0 || minEdge < 0) { - insets = (float) Math.ceil(mStrokeWidth / 2.0f); - } else { - insets = (float) (minEdge / 2.0f - mRingCenterRadius); - } - mStrokeInset = insets; - } - - @SuppressWarnings("unused") - public float getInsets() { - return mStrokeInset; - } - - /** - * @param centerRadius Inner radius in px of the circle the progress - * spinner arc traces. - */ - public void setCenterRadius(double centerRadius) { - mRingCenterRadius = centerRadius; - } - - public double getCenterRadius() { - return mRingCenterRadius; - } - - /** - * @param show Set to true to show the arrow head on the progress spinner. - */ - public void setShowArrow(boolean show) { - if (mShowArrow != show) { - mShowArrow = show; - invalidateSelf(); - } - } - - /** - * @param scale Set the scale of the arrowhead for the spinner. - */ - public void setArrowScale(float scale) { - if (scale != mArrowScale) { - mArrowScale = scale; - invalidateSelf(); - } - } - - /** - * @return The amount the progress spinner is currently rotated, between [0..1]. - */ - public float getStartingRotation() { - return mStartingRotation; - } - - /** - * If the start / end trim are offset to begin with, store them so that - * animation starts from that offset. - */ - public void storeOriginals() { - mStartingStartTrim = mStartTrim; - mStartingEndTrim = mEndTrim; - mStartingRotation = mRotation; - } - - /** - * Reset the progress spinner to default rotation, start and end angles. - */ - public void resetOriginals() { - mStartingStartTrim = 0; - mStartingEndTrim = 0; - mStartingRotation = 0; - setStartTrim(0); - setEndTrim(0); - setRotation(0); - } - - private void invalidateSelf() { - mCallback.invalidateDrawable(null); - } - } - - /** - * Squishes the interpolation curve into the second half of the animation. - */ - private static class EndCurveInterpolator extends AccelerateDecelerateInterpolator { - @Override - public float getInterpolation(float input) { - return super.getInterpolation(Math.max(0, (input - 0.5f) * 2.0f)); - } - } - - /** - * Squishes the interpolation curve into the first half of the animation. - */ - private static class StartCurveInterpolator extends AccelerateDecelerateInterpolator { - @Override - public float getInterpolation(float input) { - return super.getInterpolation(Math.min(1, input * 2.0f)); - } - } -} |